*patented technology for racing in the

*Patented Technology For Racing in the

ROLL “EZ”........ RED-ZONETM Safe!

HARDCORERACERS:

The revolutionary new EZ-ROLLTM bearingoption is exclusive for ISKY RED-ZONETM

Roller Lifters! EZ-ROLLTM “needle-free”roller bearings solve the age old dilemma ofneedle bearing overload. Although needleroller bearings perform well in light to moderately heavy load applications, theoften extreme loading demands of “all out” drag, pro-street, continuous operationendurance and offshore marine applicationshave long required a better performing

alternative. Solution: ISKY’S proprietarysolid bearing raceway EZ-ROLLTM Bearing!Spintron® and field test proven over the past 7 years, EZ-ROLLTM bearings carry fargreater loads. Their advanced needle-freedesign and greater surface area to load distribution footprint deliver a solid 350%higher load rating! EZ-ROLLTM, ... becauseneedles really are old news!

OVER 7,000 SETS SOLD SINCE 2007!!!

THE WORLD’S BEST ROLLER LIFTERS

Traditional Needle-Roller Bearings where only 3 to 4 needles carry the burden.*EZ-ROLLTM Lifters ARE “NEEDLE FREE”!

For your environment, needles are old news! At ISKY, we’ve proven thatthe future of roller lifter development is completely NEEDLE FREE!

The new EZ-ROLLTM bearing option is available in your choice of 2 endurance grades to suit your exact requirements:

The only oil-restrictor friendly lifters in the industry!

FAITHFULLY USED WITH GREATSUCCESS BY THE FOLLOWINGQUALITY ENGINE BUILDERS...

CIRCLE TRACK:Cornett Racing-KYJay Dickens Racing-MSDraime Racing-OHCurt Hershey-PAVic Hill-TNMalcuit Racing-OHDon Ott-PAPro Power-WIShaver Racing Engines, CA

DRAG RACE:Ceralli Engines-NJHouston Engine & BalancingMike Lewis-CAPar Racing-SCScott Shafiroff-NYSonny’s Racing-VASteve Schmidt-INSunset Racecraft-TXWilson Racing-PA

HIGHER!EZ-ROLLXTM

Upgraded Epsilon-ZXTM Solid BearingRaceway Material; a super low friction, high-tech alternative to needles. Ideal for offshore marine and other normally aspiratedenvironments where up to 1,100 lbs. valveopen spring force is employed and nitrousapplications with up to 900 lbs. Open pressure. Available in all popular lifter diameters. For this grade, add “EZX” to the end of the Red-ZoneTM Roller Lifter partnumber when ordering. Includes captiveguide bar feature.

Additional premium over needles:Chevy & Chrysler V8 .......$275.00 NetFord V8............................$350.00 Net

HIGHEST!!EZ-ROLLMAXTM

Upgraded Epsilon-ZMAXTM Solid BearingRaceway Material; an “ultra” low friction,high-tech alternative to needles. Ideal for themost extreme loading environments:• High boost turbo, high HP nitrous & blowngas/alcohol• Offshore marine & all-out, normally aspirated applications

EZ-MAX TM is recommended for ANY .842,.904 or 937 dia lifter installed with over 400lbs. seat and 1,100-1,400 lbs. valve openspring force.For this grade, add “EZ-MAX” to the end ofthe Red Zone roller lifter part number whenordering. Includes captive guide bar feature.

Additional premium over needles:Chevy & Chrysler V8.......$350.00 NetFord V8............................$425.00 Net

*Unprecedented in the history of roller lifter development,*EZ-RollTM lifters are protected by US patents #8,464,678 and #8,851,038.

BODY BEARINGAPPLICAtION EZ-X PARt NO. DIA. DIA. BODY tYPE ISKY PUSHROD LENGtH REV-KIt

372-RH EZX .842” .750” STEEL “B” 203-HG 7.781” N/A(extra tall version to fit into late bow-tie (Centerline) (std. length)blocks with raised lifter bosses)

372-RHm EZX .842” .750” STEEL “A” 203-HG 7.781” N/A(extra tall version to fit into late bow-tie (Centerline) (std. length)blocks with raised lifter bosses) Lightweight Version

372-RHm-904 EZX .903” .810” STEEL “A” 203-HG N/A(extra tall version to fit into late bow-tie (Centerline) Seriesblocks with raised lifter bosses) Lightweight Version

372-RHm-937 EZX .936” .850” STEEL “A” 203-HG N/A(extra tall version to fit into late bow-tie (Centerline) Seriesblocks with raised lifter bosses) Lightweight Version

372-LO-180 EZX .842” .750” STEEL “A” 203-HG 7.781” N/A(extra tall version to fit into late bow-tie (8-Centerline) (std. length)blocks with raised lifter bosses) (4 ea. .180” Left & Right Offset)

372-LO-180/874 EZX .874” .750” STEEL “A” 203-HG 7.781” N/A(extra tall version to fit into late bow-tie (8-Centerline) Seriesblocks with raised lifter bosses) (4 ea. .180” Left & Right Offset)

372-180-904 EZX .903” .810” STEEL “A” 203-HG N/A(extra tall version to fit into late bow-tie (8-Centerline) Seriesblocks with raised lifter bosses) (4 ea. .180” Left & Right Offset)

372-180-937 EZX .936” .850” STEEL “A” 203-HG N/A(extra tall version to fit into late bow-tie (8-Centerline) Seriesblocks with raised lifter bosses) (4 ea. .180” Left & Right Offset)

1271-LSH EZX .842” .750” ALUMINUM TOP 1235-L 6.500” 200-LRK“C” (Centerline) 300-LRK

1271-LSH/874 EZX .874” .750” ALUMINUM TOP 1235-L 6.500” 200-LRK“C” (Centerline) 300-LRK

1271-LO EZX .842” .750” ALUMINUM TOP 1235-L 6.500” 200-LRK“C” (8-Centerline) 300-LRK

(4 ea. .100” Left & Right Offset)

1271-LO-150 EZX .842” .750” ALUMINUM TOP 1235-L 6.500” 150-LRK“C” (8-Centerline)


1271-LO-185 EZX .842” .750” ALUMINUM TOP 1235-L 6.500” 150-LRK“C” (8-Centerline)


1271-LO-150/874 EZX .874” .750” ALUMINUM TOP 1235-L 6.500” 150-LRK“C” (8-Centerline)


1371-LSH EZX .842” .750” ALUMINUM TOP 1235-L-.350” 6.150” 1300-LRK(extra tall version to fit into late bow-tie “C” (Centerline)blocks with raised lifter bosses)

1371-LO-150 EZX .842” .750” ALUMINUM TOP 1235-L-.350” 6.150” 1350-LRK(extra tall version to fit into late bow-tie “C” (8-Centerline)blocks with raised lifter bosses) (4 ea. .150” Left & Right Offset)

SmALL BLOCK

CHEVY V-8

Extreme ZonetmEZ-RollXTM ROLLER LIFtERS

A A B C C C


372-LO-SPL EZX .842” .750” STEEL “A” 203-HG 7.781” N/A(extra tall version to fit into late bow-tie (8 ea. .180” Left & Right Offset) Seriesblocks with raised lifter bosses)

372-LO-SPL/904 EZX .903” .810” STEEL “A” 203-HG 7.781” N/A(extra tall version to fit into late bow-tie (8 ea. .180” Left & Right Offset) Seriesblocks with raised lifter bosses)

377-RHm-842 EZX .842” .750” STEEL “A” -- N/A(Centerline) (std. length)

(Lightweight Version)





377-180-842 EZX .842” .750” STEEL “A” -- N/A(8-Centerline) (std. length)






372-96-RH EZX .842” .750” STEEL “B” 203-96 8.281” Int N/A(extra tall version to fit into late bow-tie (Centerline) (std. length) 9.250” Exblocks with raised lifter bosses)

372-96-RH/874 EZX .874” .750” STEEL “B” 203-96 8.281” Int N/A(extra tall version to fit into late bow-tie (Centerline) (std. length) 9.250” Exblocks with raised lifter bosses)

372-96-RHm EZX .842” .750” STEEL “A” 203-96 N/A(extra tall version to fit into late bow-tie (Centerline) Seriesblocks with raised lifter bosses) Lightweight Version

376-RHm-904 EZX .903” .810” STEEL “A” 203-96 N/A(extra tall version to fit late bow-tie (Centerline) Seriesblocks with raised lifter bosses) Lightweight Version

376-RHm-937 EZX .936” .850” STEEL “A” 203-96 N/A(extra tall version to fit late bow-tie (Centerline) Seriesblocks with raised lifter bosses) Lightweight Version

372-96-LO-180 EZX .842” .750” STEEL “A” 203-96 8.281” Int N/A(extra tall version to fit late bow-tie (8-Centerline) (std. length) 9.250” Exblocks with raised lifter bosses) (4 ea. .180” Left & Right Offset)

376-180-904 EZX .903” .810” STEEL “A” 203-96 N/A(extra tall version to fit late bow-tie (8-Centerline) Seriesblocks with raised lifter bosses) (4 ea. .180” Left & Right Offset)

376-180-937 EZX .936” .850” STEEL “A” 203-96 N/A(extra tall version to fit late bow-tie (8-Centerline) Seriesblocks with raised lifter bosses) (4 ea. .180” Left & Right Offset)

3272-RH EZX .903” .810” STEEL “A” -- -.250” N/A(for blocks & cyl. heads that require pushrod( Centerline)oiling; pushrod seat location moved up .250”) Lightweight Version

3472-RH EZX .903” .810” STEEL “A” -- (std. length) N/A(Centerline)

Lightweight Version

3772-LO-180 EZX .903” .810” STEEL “A” -- -.250” N/A(For use with NEW Indy cyl. heads with (8-Centerline)relocated intake valve position) (4 ea. .180” Left & Right Offset)(Pushrod seat location moved up .250”)

3672-RH EZX .903” .810” STEEL “A” -- -.125” N/A(Pushrod seat location moved up .125”) (Centerline)

Lightweight Version

3372-RH EZX .903” .810” STEEL “A” -- -.250” N/A(for blocks & cyl. heads that require pushrod (Centerline)oiling; pushrod seat location moved up .250”) Lightweight Version

3472-RHm EZX .903” .810” STEEL “A” -- (std. length) N/A(Centerline)

Lightweight Version

SmALL BLOCK

CHEVY V-8 WItH

SPLAYED VALVE

OR SB-2 HEAD

CHEVY V-8

SB-2.2 BLOCK

WItH SB-2.2 HEADS

BIG BLOCK

CHEVY V-8

CHRYSLER “R” BLOCK 318-360 CU IN WItH 48 DEG.LIFtER BANK ANGLE

CHRYSLER “B”383-440 CU IN V-8

CHRYSLER HEmI V-81956-58 354-392 CU IN



3672-RHm EZX .903” .810” STEEL “A” -- -.125” N/A(Pushrod seat location moved up .125”) (Centerline)Supplied with special tie-bar to work with both- Lightweight VersionStandard and 2.000” bore spacing blocks

3372-RH EZX .903” .810” STEEL “A” -- -.250” N/A(for blocks & cyl. heads that require pushrod (Centerline)oiling; pushrod seat location moved up .250”) Lightweight Version

3972-RH EZX .874” .750” STEEL “A” -- Std. Length N/A(Centerline)

Lightweight Version

3972-RH/904 EZX .903” 810” STEEL “A” -- Std. Length N/A(Centerline)

Lightweight Version

3972-RH/937 EZX .936” 850” STEEL “A” -- Std. Length N/A(Centerline)

Lightweight Version

3972-YAtES180 EZX .874” .750” STEEL “A” -- Std. Length N/A(8-Centerline)

(8 ea. .180” Left Offset)

3972-Y180/904 EZX .903” .810” STEEL “A” -- Std. Length N/A(8-Centerline)




3172-RH EZX .874” .750” STEEL “A” -- Std. Length N/A(Centerline)

Lightweight Version

3172-RH/904 EZX .903” .810” STEEL “A” -- Std. Length N/A(Centerline)

Lightweight Version

3172-RH/937 EZX .936” .850” STEEL “A” -- Std. Length N/A(Centerline)

Lightweight Version

3172-YAtES180 EZX .874” .750” STEEL “A” -- Std. Length N/A(8-Centerline)







Extreme ZonetmEZ-RollMAXTM ROLLER LIFtERS

CHRYSLER HEmI V8

1956-58, 354-392 CU IN

DONOVAN 417 CU IN

1964-UP 426 CU IN

FORD V-8, 351 SVO,289/302, BOSS 302

FORD V-8

429-460 CU IN

372-RH EZ-mAX .842” .750” STEEL “B” 203-HG 7.781” N/A(extra tall version to fit into late bow-tie (Centerline) (std. length)blocks with raised lifter bosses)

372-RHm EZ-mAX .842” .750” STEEL “A” 203-HG 7.781” N/A(extra tall version to fit into late bow-tie (Centerline) (std. length)blocks with raised lifter bosses) Lightweight Version

372-RHm-904 EZ-mAX .903” .810” STEEL “A” 203-HG N/A(extra tall version to fit into late bow-tie (Centerline) Seriesblocks with raised lifter bosses) Lightweight Version

372-RHm-937 EZ-mAX .936” .850” STEEL “A” 203-HG N/A(extra tall version to fit into late bow-tie (Centerline) Seriesblocks with raised lifter bosses) Lightweight Version

372-LO-180 EZ-mAX .842” .750” STEEL “A” 203-HG 7.781” N/A(extra tall version to fit into late bow-tie (8-Centerline) (std. length)blocks with raised lifter bosses) (4 ea. .180” Left & Right Offset)

372-LO-180/874 EZ-mAX .874” .750” STEEL “A” 203-HG 7.781” N/A(extra tall version to fit into late bow-tie (8-Centerline) Seriesblocks with raised lifter bosses) (4 ea. .180” Left & Right Offset)

372-180-904 EZ-mAX .903” .810” STEEL “A” 203-HG N/A(extra tall version to fit into late bow-tie (8-Centerline) Seriesblocks with raised lifter bosses) (4 ea. .180” Left & Right Offset)

SmALL BLOCK

CHEVY V-8

BODY BEARINGAPPLICAtION EZ-mAX PARt NO. DIA. DIA. BODY tYPE ISKY PUSHROD LENGtH REV-KIt

372-180-937 EZ-mAX .936” .850” STEEL “A” 203-HG N/A(extra tall version to fit into late bow-tie (8-Centerline) Seriesblocks with raised lifter bosses) (4 ea. .180” Left & Right Offset)

1271-LSH EZ-mAX .842” .750” ALUMINUM TOP 1235-L 6.500” 200-LRK“C” (Centerline) 300-LRK

1271-LSH/874 EZ-mAX .874” .750” ALUMINUM TOP 1235-L 6.500” 200-LRK“C” (Centerline) 300-LRK

1271-LO EZ-mAX .842” .750” ALUMINUM TOP 1235-L 6.500” 200-LRK“C” (8-Centerline) 300-LRK


1271-LO-150 EZ-mAX .842” .750” ALUMINUM TOP 1235-L 6.500” 150-LRK“C” (8-Centerline)


1271-LO-185 EZ-mAX .842” .750” ALUMINUM TOP 1235-L 6.500” 150-LRK“C” (8-Centerline)


1271-LO-150/874 EZ-mAX.874” .750” ALUMINUM TOP 1235-L 6.500” 150-LRK“C” (8-Centerline)


1371-LSH EZ-mAX .842” .750” ALUMINUM TOP 1235-L-.350” 6.150” 1300-LRK(extra tall version to fit into late bow-tie “C” (Centerline)blocks with raised lifter bosses)

1371-LO-150 EZ-mAX .842” .750” ALUMINUM TOP 1235-L-.350” 6.150” 1350-LRK(extra tall version to fit into late bow-tie “C” (8-Centerline)blocks with raised lifter bosses) (4 ea. .150” Left & Right Offset)

372-LO-SPL EZ-mAX .842” .750” STEEL “A” 203-HG 7.781” N/A(extra tall version to fit into late bow-tie (8 ea. .180” Left & Right Offset) Seriesblocks with raised lifter bosses)

372-LO-SPL/904 EZ-mAX .903” .810” STEEL “A” 203-HG 7.781” N/A(extra tall version to fit into late bow-tie (8 ea. .180” Left & Right Offset) Seriesblocks with raised lifter bosses)

377-RHm-842 EZ-mAX .842” .750” STEEL “A” -- N/A(Centerline) (std. length)






377-180-842 EZ-mAX .842” .750” STEEL “A” -- N/A(8-Centerline) (std. length)






372-96-RH EZ-mAX .842” .750” STEEL “B” 203-96 8.281” Int N/A(extra tall version to fit into late bow-tie (Centerline) (std. length) 9.250” Exblocks with raised lifter bosses)

372-96-RH/874 EZ-mAX .874” .750” STEEL “B” 203-96 8.281” Int N/A(extra tall version to fit into late bow-tie (Centerline) (std. length) 9.250” Exblocks with raised lifter bosses)

372-96-RHm EZ-mAX .842” .750” STEEL “A” 203-96 N/A(extra tall version to fit into late bow-tie (Centerline) Seriesblocks with raised lifter bosses) Lightweight Version

376-RHm-904 EZ-mAX .903” .810” STEEL “A” 203-96 N/A(extra tall version to fit late bow-tie (Centerline) Seriesblocks with raised lifter bosses) Lightweight Version

376-RHm-937 EZ-mAX .936” .850” STEEL “A” 203-96 N/A(extra tall version to fit late bow-tie (Centerline) Seriesblocks with raised lifter bosses) Lightweight Version

372-96-LO-180 EZ-mAX .842” .750” STEEL “A” 203-96 8.281” Int N/A(extra tall version to fit late bow-tie (8-Centerline) (std. length) 9.250” Exblocks with raised lifter bosses) (4 ea. .180” Left & Right Offset)

SmALL BLOCK

CHEVY V-8

SmALL BLOCK

CHEVY V-8 WItH

SPLAYED VALVE

OR SB-2 HEAD

CHEVY V-8

SB-2.2 BLOCK

WItH SB-2.2 HEADS

BIG BLOCK

CHEVY V-8


BODY BEARINGAPPLICAtION EZ-mAX PARt NO. DIA. DIA. BODY tYPE ISKY PUSHROD LENGtH REV-KIt

376-180-904 EZ-mAX .903” .810” STEEL “A” 203-96 N/A(extra tall version to fit late bow-tie (8-Centerline) Seriesblocks with raised lifter bosses) (4 ea. .180” Left & Right Offset)

376-180-937 EZ-mAX .936” .850” STEEL “A” 203-96 N/A(extra tall version to fit late bow-tie (8-Centerline) Seriesblocks with raised lifter bosses) (4 ea. .180” Left & Right Offset)

3272-RH EZ-mAX .903” .810” STEEL “A” -- -.250” N/A(for blocks & cyl. heads that require pushrod (Centerline)oiling; pushrod seat location moved up .250”) Lightweight Version

3472-RH EZ-mAX .903” .810” STEEL “A” -- (std. length) N/A(Centerline)

Lightweight Version

3772-LO-180 EZ-mAX .903” .810” STEEL “A” -- -.250” N/A(For use with NEW Indy cyl. heads with (8-Centerline)relocated intake valve position) (4 ea. .180” Left & Right Offset)(Pushrod seat location moved up .250”)

3672-RH EZ-mAX .903” .810” STEEL “A” -- -.125” N/A(Pushrod seat location moved up .125”) (Centerline)

Lightweight Version


3472-RHm EZ-mAX .903” .810” STEEL “A” -- (std. length) N/A(Centerline)

Lightweight Version

3672-RHm EZ-mAX .903” .810” STEEL “A” -- -.125” N/A(Pushrod seat location moved up .125”) (Centerline)Supplied with special tie-bar to work with both- Lightweight VersionStandard and 2.000” bore spacing blocks


3972-RH EZ-mAX .874” .750” STEEL “A” -- Std. Length N/A(Centerline)

Lightweight Version

3972-RH/904 EZ-mAX .903” 810” STEEL “A” -- Std. Length N/A(Centerline)

Lightweight Version

3972-RH/937 EZ-mAX .936” 850” STEEL “A” -- Std. Length N/A(Centerline)

Lightweight Version

3972-YAtES180 EZ-mAX .874” .750” STEEL “A” -- Std. Length N/A(8-Centerline)


3972-Y180/904 EZ-mAX .903” .810” STEEL “A” -- Std. Length N/A(8-Centerline)




3172-RH EZ-mAX .874” .750” STEEL “A” -- Std. Length N/A(Centerline)

Lightweight Version

3172-RH/904 EZ-mAX .903” .810” STEEL “A” -- Std. Length N/A(Centerline)

Lightweight Version

3172-RH/937 EZ-mAX .936” .850” STEEL “A” -- Std. Length N/A(Centerline)

Lightweight Version

3172-YAtES180 EZ-mAX .874” .750” STEEL “A” -- Std. Length N/A(8-Centerline)






BIG BLOCK

CHEVY V-8

CHRYSLER “R” BLOCK 318-360 CU IN WItH 48 DEG.LIFtER BANK ANGLE

CHRYSLER “B”383-440 CU IN V-8

CHRYSLER HEmI V-81956-58 354-392 CU IN

DONOVAN 417 CU IN1964-UP 426 CU IN

FORD V-8, 351 SVO,289/302, BOSS 302

FORD V-8

429-460 CU IN


NOW AVAILABLE.....

EZ-ROLL JRTM Entry Level Solid Rollers!JUST ROLLwith our newest member of the EZ-ROLLTM (PATENTED) solid-raceway rollerbearing lifter family, the entry level EZ-ROLL JRTM. Designed for Normally Aspirated Small& Big Block Chevy V8, this full body design accepts both 5/16” and 3/8” diameter pushrods and is targeted for use with up to 700 lbs. open valve spring pressure for street,drag, marine, oval track, etc. ... and they’re oil-restrictor friendly too! AVAILABLE NOW!

• Lifter Dia .8415”• Bearing Diameter .750”• Centered Pushrod Seat Location, Standard Pushrod Seat Height

• Extra-Tall Tie Bar Design Works with Both Standard & Raised Lifter Boss Blocks.

new!

EZ-RIDERSTM Hydraulic Rollers for Harley Motorcycles!Super Reliable Hydraulic Roller Lifters with Life Extending EZ-ROLLTM

Sold-Raceway Roller Bearings for Harley Davidson Evolution and Twin CamMotors. AVAILABLE NOW! No Needles = No Needle Bearing Overload =Longer Roller Life = Peace of Mind!

new!

new!EZ-ROLL HYDROTM H.P. Hydraulic Rollers!

The world’s only needle-free hi-performance hydraulic roller lifters!

NOW AVAILABLE by popular demand, HYDROTM is the newest edition of the patented EZ-ROLLTM lifter family, for Chevy Small Block, Big Block & LS-1 V8 Engines: silent running,trouble free H.P. reliable hydraulic rollers!

HYDRO features our ever popular “EZX” (EpsilonZXTM) advanced solid raceway bushing rollers along with a special “reduced travel” hydraulic roller body to allow for the use of more aggressive hydraulic roller cam profilesand/or higher RPM.

HYDROTM delivers peace of mind for hydraulic roller racers operating in the extreme loading environments these conditions create with the “extra insurance” of an EZ-ROLLTM plane bearing, eliminating the possibility of needle bearing overload failures.

Part No. Description Jobber Price

372EZJR Small Block Chevy V8 $820.00

376EZJR Big Block Chevy V8 $820.00

Part No. Application Description Spring Pressures Jobber Price

100EZR Evolution Standard Leak Down Body up to 160# seat $310.00

200EZR Evolution Slow Leak Down Body over 160# seat $320.00

300EZR Twin Cam Slow Leak Down Body over 160# seat $480.00

Part No. Application Pushrod Required Max Spring Pressure/RPM Jobber Net

2065-HYRT Small Block Chevy V8 203-HG-.580” (7.200) 140/400# - 7000 RPM $ 915.00(normally aspirated only)

2075-HYRT Small Block Chevy V8 203-HG-.460” (7.320) 185/535# - 7500 RPM $1,040.00

2068-HYRT LS-1 Chevy V8 203-HG-.180” (7.600) 140/400# - 7000 RPM $ 930.00(normally aspirated only)

2078-HYRT LS-1 Chevy V8 203-HG-.180” (7.600) 185/535# - 7500 RPM $1,080.00

3965-HYRT Big Block Chevy V8 203-96-.650” 160/400# - 7000 RPM $ 915.00(normally aspirated only)

3975-HYRT Big Block Chevy V8 203-96-.500” 185/535# - 7500 RPM $1,055.00

(7.650 in.)8.600 ex

(7.800 in.)8.750 ex

You're almost there. The end of a tough race is fastapproaching, but to win, you'll need to push yourengine to the limit. The tach will read closeto 9000 RPM. Such sustained red-line abuseis like sudden deathovertime for your valvetrain. Ordinary rollervalve springs will quickly succumb to resonant vibration, putting you out of therace. Only one valvespring can go there andcome back alive, everytime!Introducing Isky's new

RAD-9000™ processoption for Tool Room™

valve springs. Undertrade secret Radial-Densification™ (RAD),the physical propertiesof Tool Room™ springsare optimized for evengreater surface to coreuniformity. To insurethey'll withstand the tortures of sustained

high rpm operation, we subject each batch to the mostrigorous real world test standard ever created,

SPINTRON-TEST II. It'sa no holds barred run as high as 9000 RPMwhere for over 1,000miles, race ending competitive abuse iscontinuously revisited.This pass or fail benchmark is the onlytest of its kind in the performance industryand every set of Tool Room™ springs conforms to its highstandard.So why take a chance

on anything else? Runthe only racing valvesprings with sustained red-line protection.RAD-9000 ™ process Tool Room™ valvesprings from Isky.Absolutely the world'sfinest, and the newstandard of excellence inendurance racing today!

9945 RAD Dual w/ 1.625" 1.065" 250 Lbs. 675 Lbs. 550 1.180" .750"Damper 1.175" .770" @2.020" @1.270"












RAD-9000™ technology is available for the following TOOL ROOM™ valve springs.

RAD-9000™ TOOL ROOM™ valve springs are a higher performance optionand feature premium pricing.

Test Proven: Every Part No.,Every Batch, Every Time!

Outer Inner Seat Open Coil MaxPart No. Style OD/ID OD/ID Press. Press. Rate Bind Lift

NEW!

Endurance ProcessingRAD-9000™

H

NEW! H

Higher Frequency: Finely Tuned For Higher RPM, Valve Lifts & Rocker Ratios.H

4 page Tool Room™ Spring color brochure available or send $5.00 for Isky’s 200 page master catalog.

ED ISKENDERIAN RACING CAMS 16020 S. Broadway, Gardena, California 90247-9990(310) 217-9232 • FAX (310) 515-5730 • www.iskycams.com

*patented technology for racing in the

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